WAEC Biology 1998 Question 42

Question 42

Ecosystem and Ecological Factors

Which of the following instruments can be used to measure relative humidity?

  1. A.Anemometer
  2. B.Hygrometer
  3. C.Wind gauge
  4. D.Barometer
  5. E.Thermometer
Show the answer and explanation

Answer: B (Hygrometer)

Explanation

A hygrometer measures how much water vapour is in the air (relative humidity).